Home / 190,248.12-262,557.36-105,373.08

Finding the Fourth Proportional to 190,248.12, 262,557.36 and 105,373.08

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Solution

The fourth proportional to 190,248.12, 262,557.36 and 105,373.08 is: 145,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,248.12 : 262,557.36 = 105,373.08 : x
  2. Step 2: Convert to fraction form
    190,248.12/262,557.36 = 105,373.08/x
  3. Step 3: Cross multiply
    190,248.12x = 262,557.36 × 105,373.08
  4. Step 4: Simplify right side
    190,248.12x = 27,666,477,699.87
  5. Step 5: Solve for x
    x = 27,666,477,699.87/190,248.12
  6. Step 6: Final answer
    x = 145,423.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.